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Equation of state past paper questions

A2 Physics 9702 · Ideal gases. 1 understand that a gas obeying pV ∝ T, where T is the thermodynamic temperature, is known as an ideal gas 2 recall and use the equation of state for an ideal gas expressed as pV = nRT, where n = amount of substance (number of moles) and as pV = NkT, where N = number of molecules 3 recall that the Boltzmann constant k is given by k = R / NA

In Cambridge A Level A2 Physics 9702, Equation of state came up in 31 of the 42 papers on Paperstreak, for about 3 marks a paper when it does. It last came up in October/November 2025.

Often set with Kinetic theory of gases, The first law of thermodynamics, Specific heat capacity and specific latent heat, Internal energy.

31 questions, newest first

1. 9702/41/O/N/25 Question 4 parts (b(i)) (b(ii)) · 3 marks
2. 9702/42/O/N/25 Question 2 part (c(i)) · 2 marks
3. 9702/43/O/N/25 Question 4 parts (b(i)) (b(ii)) · 3 marks
4. 9702/42/M/J/25 Question 4 parts (a(i)) (a(ii)) · 2 marks
5. 9702/42/F/M/25 Question 3 part (b(ii)) · 2 marks
6. 9702/41/O/N/24 Question 3 part (a(ii)) · 1 mark
7. 9702/43/O/N/24 Question 3 part (a(ii)) · 1 mark
8. 9702/41/M/J/24 Question 3 parts (a(i)) (b(i)) · 4 marks
9. 9702/42/M/J/24 Question 2 parts (b(i)) (b(ii)) · 6 marks
10. 9702/43/M/J/24 Question 3 parts (a(i)) (b(i)) · 4 marks
11. 9702/42/F/M/24 Question 2 part (b(ii)) · 2 marks
12. 9702/41/M/J/23 Question 4 parts (b(i)) (b(ii)) · 5 marks
13. 9702/42/M/J/23 Question 2 parts (a(i)) (b(i)) · 5 marks
14. 9702/43/M/J/23 Question 4 parts (b(i)) (b(ii)) · 5 marks
15. 9702/42/F/M/23 Question 2 parts (a) (b(i)) · 4 marks
16. 9702/41/O/N/22 Question 2 part (c(ii)) · 1 mark
17. 9702/42/O/N/22 Question 3 part (a) · 3 marks
18. 9702/43/O/N/22 Question 2 part (c(ii)) · 1 mark
19. 9702/41/M/J/22 Question 3 parts (a(i)) (a(ii)) · 4 marks
20. 9702/42/M/J/22 Question 3 part (b(ii)) · 3 marks
21. 9702/43/M/J/22 Question 3 parts (a(i)) (a(ii)) · 4 marks
22. 9702/42/F/M/22 Question 2 parts (b) (c) · 4 marks
23. 9702/41/O/N/21 Question 3 part (b(i)) · 1 mark
24. 9702/43/O/N/21 Question 3 part (b(i)) · 1 mark
25. 9702/41/M/J/21 Question 2 part (a) · 2 marks
26. 9702/42/M/J/21 Question 2 parts (a) (b(i)) · 4 marks
27. 9702/43/M/J/21 Question 2 part (a) · 2 marks
28. 9702/42/F/M/21 Question 2 part (a(i)) · 2 marks
29. 9702/42/O/N/20 Question 2 parts (b(i)) (b(ii)) · 4 marks
30. 9702/42/M/J/20 Question 2 part (b) · 4 marks
31. 9702/42/F/M/20 Question 2 part (a) · 3 marks

More in Ideal gases: The mole, Kinetic theory of gases.

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